A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 6320-01-607-1491
NSN 6685-00-115-2255
NSN 5998-01-362-1909
NSN 5990-01-580-2191
NSN 5930-00-066-6139
NSN 5920-01-502-5838
NSN 5960-00-752-6175
NSN 5905-01-381-3742
NSN 5930-00-762-5933
NSN 2925-01-159-8312
NSN 5855-01-114-3513
NSN 6110-01-484-1904